Predicting Capacity of Hard Carbon Anodes in Sodium-Ion Batteries Using Porosity Measurements Public Deposited

http://ir.library.oregonstate.edu/concern/articles/m613n038r

This is an author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by Elsevier and can be found at:  http://www.journals.elsevier.com/carbon/.

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  • We report an inverse relationship between measurable porosity values and reversible capacity from sucrose-derived hard carbon as an anode for sodium-ion batteries (SIBs). Materials with low measureable pore volumes and surface areas obtained through N₂ sorption yield higher reversible capacities. Conversely, increasing measurable porosity and specific surface area leads to sharp decreases in reversible capacity. Utilizing a low porosity material, we thus are able to obtain a reversible capacity of 335 mAh g⁻¹. These findings suggest that sodium-ion storage is highly dependent on the absence of pores detectable through N₂ sorption in sucrose-derived carbon.
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  • Bommier, C., Luo, W., Gao, W. Y., Greaney, A., Ma, S., & Ji, X. (2014). Predicting capacity of hard carbon anodes in sodium-ion batteries using porosity measurements. Carbon, 76, 165-174. doi:10.1016/j.carbon.2014.04.064
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  • description.provenance : Approved for entry into archive by Deanne Bruner(deanne.bruner@oregonstate.edu) on 2014-10-01T19:13:56Z (GMT) No. of bitstreams: 1 Ji[David]XiuleiChemistryPredictingCapacityHard.pdf: 1981419 bytes, checksum: 75da1118fca635835d9d74258de87fa1 (MD5)
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  • description.provenance : Submitted by Deanne Bruner (deanne.bruner@oregonstate.edu) on 2014-10-01T19:12:44Z No. of bitstreams: 1 Ji[David]XiuleiChemistryPredictingCapacityHard.pdf: 1981419 bytes, checksum: 75da1118fca635835d9d74258de87fa1 (MD5)

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